1 /*

     2  * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    23 

    24 #ifndef SHARE_GC_Z_ZHEAP_INLINE_HPP

    25 #define SHARE_GC_Z_ZHEAP_INLINE_HPP

    26 

    27 #include "gc/z/zAddress.inline.hpp"

    28 #include "gc/z/zHeap.hpp"

    29 #include "gc/z/zMark.inline.hpp"

    30 #include "gc/z/zOop.inline.hpp"

    31 #include "gc/z/zPage.inline.hpp"

    32 #include "gc/z/zPageTable.inline.hpp"

    33 #include "gc/z/zUtils.inline.hpp"

    34 #include "utilities/debug.hpp"

    35 

    36 inline ZHeap* ZHeap::heap() {

    37   assert(_heap != NULL, "Not initialized");

    38   return _heap;

    39 }

    40 

    41 inline ReferenceDiscoverer* ZHeap::reference_discoverer() {

    42   return &_reference_processor;

    43 }

    44 

    45 inline bool ZHeap::is_relocating(uintptr_t addr) const {

    46   return _pagetable.is_relocating(addr);

    47 }

    48 

    49 inline bool ZHeap::is_object_live(uintptr_t addr) const {

    50   ZPage* page = _pagetable.get(addr);

    51   return page->is_object_live(addr);

    52 }

    53 

    54 inline bool ZHeap::is_object_strongly_live(uintptr_t addr) const {

    55   ZPage* page = _pagetable.get(addr);

    56   return page->is_object_strongly_live(addr);

    57 }

    58 

    59 template <bool finalizable, bool publish>

    60 inline void ZHeap::mark_object(uintptr_t addr) {

    61   assert(ZGlobalPhase == ZPhaseMark, "Mark not allowed");

    62   _mark.mark_object<finalizable, publish>(addr);

    63 }

    64 

    65 inline uintptr_t ZHeap::alloc_tlab(size_t size) {

    66   guarantee(size <= max_tlab_size(), "TLAB too large");

    67   return _object_allocator.alloc_object(size);

    68 }

    69 

    70 inline uintptr_t ZHeap::alloc_object(size_t size) {

    71   uintptr_t addr = _object_allocator.alloc_object(size);

    72   assert(ZAddress::is_good_or_null(addr), "Bad address");

    73 

    74   if (addr == 0) {

    75     out_of_memory();

    76   }

    77 

    78   return addr;

    79 }

    80 

    81 inline uintptr_t ZHeap::alloc_object_for_relocation(size_t size) {

    82   uintptr_t addr = _object_allocator.alloc_object_for_relocation(size);

    83   assert(ZAddress::is_good_or_null(addr), "Bad address");

    84   return addr;

    85 }

    86 

    87 inline void ZHeap::undo_alloc_object_for_relocation(uintptr_t addr, size_t size) {

    88   ZPage* const page = _pagetable.get(addr);

    89   _object_allocator.undo_alloc_object_for_relocation(page, addr, size);

    90 }

    91 

    92 inline void ZHeap::check_out_of_memory() {

    93   _page_allocator.check_out_of_memory();

    94 }

    95 

    96 inline bool ZHeap::is_oop(oop object) const {

    97   return ZOop::is_good(object);

    98 }

    99 

   100 #endif // SHARE_GC_Z_ZHEAP_INLINE_HPP